Front surface of package



FIG. 1 is a front view of a front surface of package showing our new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines shown in FIGS. 1-6 represent environmental subject matter and form no part of the claimed design. 

The ornamental design for a front surface of package, as shown and described. 